Log Message:
-----------
Fix kerberos description: localhost -> server hostname.
Modified Files:
--------------
pgsql/doc/src/sgml:
config.sgml (r1.29 -> r1.30)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/config.sgml.diff?r1=1.29&r2=1.30)